.portrait{
    height: 60px;
    /* line-height: 60px;
    text-align: center; */
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 文字头像 */
.letter{
    width: 30px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    border-radius: 50%;
    background-color: #46ca71;
    display: inline-block;
    margin-right: 5px;
}

/* 默认让两个头像都隐藏 */
.letter,
.layui-nav-img {
    display: none;
}

iframe{
    width: 100%;
    height: 100%;
}

.layui-icon {
font-size: 16px;
margin-right: 5px;
}

.layui-icon-app{
    padding-left: 15px;
}